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The following factors are mainly considered when purchasing front-end alarm devices:
1. Is there a national 3C compulsory certification?
The home burglar alarm system utilizes automatic anti-theft electronic equipment, and in the unattended place, through electronic infrared detection technology and various types of magnetic control switches to judge the illegal intrusion behavior or various gas leaks and other dangerous situations, through the alarm or police lights on-site alarm, at the same time The alarm is transmitted to the alarm center or the user himself through the public telephone network. At the same time, when someone has an emergency in the home, emergency help information can also be sent to the user or the cell network center through various wired and wireless emergency buttons or the alarm host keyboard. Therefore, the safety performance parameters of burglar alarm products are of vital importance. China also has strict inspection and control: safety technology products that have not obtained compulsory product certification and have not applied China Compulsory Certification (CCC certification) are prohibited. Sold and used on the market.
Second, it should be noted that the 3C mark is not a quality mark, but only a basic safety certification. Some of its indicators represent the safety and quality of the products, but it does not mean that the product performance is also excellent. Therefore, other optional indicators are also important.
Third, whether it has the quality assurance of low false positive commitment
As a high-tech product, the burglar alarm is also required to be backed up by the quality of the burglar alarm. It is the key to selecting the burglar alarm product.
The home burglar alarm product is mainly an intelligent alarm system composed of an alarm host and a detector. When aft, robbery, fire, gas leakage, etc. occur, the signal is transmitted through magnetic, infrared, microwave, smoke, gas and other detectors. After the corresponding alarm response. There are differences in the alarm functions of different products, but any product requires the joint action of the host and the detector to accurately burglar alarms, otherwise false alarms will occur. So what is the cause of the false positives? In the final analysis, the quality of the product. From the manufacturer's point of view, high-quality products must have advanced software and hardware technology, advanced and mature production testing technology and equipment, in order to ensure product stability and reliability.
4. Is there a backup power supply that works normally 24 hours after power failure?
The alarm host is a relay station that receives the detector signal and sends out an alarm signal. If the alarm host stops working, it means that the entire burglar alarm system has no effect and is ineffective. From the working principle of the alarm host, it is the power supply that directly affects the normal operation of the alarm host. All alarm panels operate normally in the power mode of the external power supply. In the event of a power outage or a thief who deliberately cuts off the power supply, it is critical to have a backup power supply that provides consistent, uninterrupted power.
Then, it is most suitable to need a backup power supply that can be powered off for a long time. From the actual use and working principle, the alarm host with the power supply for 24 hours after the power failure can play the role of burglar alarm. If the backup power supply can continue to work for 24 hours after the power is cut off, it can effectively prevent the excessive consumption caused by repeated power failures and various deliberate and accidental line interruptions, etc., and provide sufficient protection for the user to resume the alarm power.
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